Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hieu dac ve snippets" » "hieu cac ve snippets", "bieu dac ve snippets", "chieu day ve snippets", "hieu dap ve snippets", "hieu dau ve snippets", "hieu dao ve snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hieu dac ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu dac ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hieu dac ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu dac ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.